Mercruiser Outdrive Parts Drawings *How to Videos

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Mercruiser lower unit drawing outdrive parts 1 to 24

GLM aftermarket layout illustrated lower unit parts drawing

  • GLM products are completely compatible and interchangeable with Mercruiser components.
  • GLM has committed to producing high quality and cost effective aftermarket Mercruiser for the past two decades New to our lower unit product line are Mercruiser propellers and hub sets.

Mercruiser lower gearcase parts drawing years 1972-1982

Mercruiser lower gearcase parts drawing years 1972-1982

propeller

propeller

A
Propellers from Solas
17000 lower gearcase

17000 lower gearcase

1A
P/N 17100 GLM Marine aftermarket lower unit years 1972 to 1990 with 2 year limited warranty. No core deposit required. $795.95

18100

18100

1B
P/N 18100
GLM Marine aftermarket complete lower unit outdrive years 1972 to 1990 with 2 year limited warranty. No core deposit required. $1399.95

87510 OEM 26-33144A2

87510 OEM 26-33144A2

A
# 87510 Seal and gasket kit $42.00

25125 Alpha gears bearings shims 13-21

25125 Alpha gears bearings shims 13-21

B
# 25115 Seals, bearings and gear set parts
43-803079T1 $649.00

25110 shims bearings upper gearcase

25110 shims bearings upper gearcase

C
# 25110 Seal, shims and bearings set
31-803068T1 $186.09

12110 S.N. 2791957 to 6225576

12110 S.N. 2791957 to 6225576

D
#12110 Water pump set use with engine serial numbers 2791957 to 8225576. Approximate years 1970 to 1983 please check serial number to be sure $41.00

12130 serial number 2062141 to 2791956

12130 serial number 2062141 to 2791956

E
# 12130 Mercruiser water pump kit with engine serial numbers 2062141 to 2791956. Approximate years 1967 to 1969 please check serial number to be sure $63.00

12120 1984 -1990 kit

12120 1984 -1990 kit

1A
P/N 17100
GLM Marine aftermarket lower unit years 1972 to 1990 with 2 year limited warranty. No core deposit required. $795.95

12410 housing

12410 housing

2
# 12410 Water pump housing
12810 Cup OEM 48752

12810 Cup OEM 48752

# 12810 Water pump cup for the MC-1/R

89840

89840

4
# 89840
Impeller $18.09

21720 Washers

21720 Washers

5
# 21720
Washers - sold in units of three $4.09

12821 Bolt

12821 Bolt

 

6
P/N 12821
Screw for the water pump cover $4.09

21180 lock nuts

21180 lock nuts

7
# 21180
Nuts *5 units $6.09

12830

12830

8
#
12830 Seal
12820 guide tube

12820 guide tube

9
# 12820
Guide tube for MC-1/R/MR $4.09

81160 o-ring for drive shaft

81160 o-ring for drive shaft

10
# 81160
O-ring
21190 lock nuts

21190 lock nuts

11
P/N 21190
Nuts (5) 11-13436 $8.09

21490 Washers

21490 Washers

12
# 21490
Washers *10 units $4.09

11070 5 impeller key

11070 5 impeller key

13
# 11070 Key *1 unit
28-56654 $4.09

31020

31020

Item 14
P/N 31020
Gasket water pump gasket

12510 impeller wear plate

12510 impeller wear plate

15
# 12510
wear plate
31010 lower wear plate gasket

31010 lower wear plate gasket

16
# 31010
Gasket
 
17
# 12310
Water pump base
85040 oil seal

85040 oil seal

18
# 85040
Oil seal
85070 oil seal

85070 oil seal

19
# 85070
Oil seal
81390 o ring water pump base

81390 o ring water pump base

20
# 82260
O-ring
31040 pump base to gear housing

31040 pump base to gear housing

21
# 31040
Gasket
21570 bearing

21570 bearing

22
# 21570
Roller bearing $19.09

23300 shim kit

23300 shim

23
#
23300 *5 unit $4.09

21800 washers

21800 washers

24
# 21800
Washer *5 units #12-29395 $4.09